NGK Spark plugs M18 x 12 mm, AF 21 mm, non-resistor - 10 pieces

Technical data:

• Type: 1 earth electrode
• AF (mm): 21
• Thread length (mm): 12
• Torque max. (Nm): 40
• To fit Denso: MW17
• To fit NGK: AB-6
• Specification: Nickel
• Contents: 10
• Suppressed resistor: No
• Thread size (mm): M18
• NGK reference no.: AB-6